journal
https://read.qxmd.com/read/38801419/optimal-parameter-settings-of-thulium-fiber-laser-for-ureteral-stone-lithotripsy-a-comparative-study-in-two-different-testing-environments
#1
COMPARATIVE STUDY
Zhilong Li, Shaojie Wu, Tongzu Liu, Sheng Li, Xinghuan Wang
This study aims to identify optimal parameters for using Thulium fiber lasers (TFL) in ureteral stone lithotripsy to ensure laser safety and maximize efficacy. Our goal is to improve the outcomes of single-use semi-rigid ureteroscopy for treating stones located in the proximal ureter. A clinically relevant thermal testing device was designed to investigate heating effects during TFL stone fragmentation. The device was utilized to identify safe power thresholds for TFL at various irrigation rates. Three other devices were used to assess varying pulse energy effects on stone fragmentation efficiency, dusting, retropulsion, and depth of tissue vaporization...
May 27, 2024: Urolithiasis
https://read.qxmd.com/read/38780763/exploring-the-impact-of-digital-health-literacy-on-quality-of-life-in-patients-undergoing-retrograde-intrarenal-surgery-for-kidney-stone-treatment-a-prospective-single-center-study
#2
JOURNAL ARTICLE
Ahmet Keles, Ozgur Arikan, İlkin Hamid-Zada, Umit Furkan Somun, Kursad Nuri Baydili, Asif Yildirim
Retrograde intrarenal surgery (RIRS) is the recommended treatment for renal stones up to two cm in size. As digital health literacy (e-HL) has become increasingly important in promoting informed health decisions and healthy behaviors, it is necessary to investigate its impact on RIRS treatment outcomes. We aimed to explore the influence of patients' e-HL level on their postoperative quality of life (QoL). We conducted an observational prospective study of 111 patients who underwent RIRS for renal pelvis stones...
May 23, 2024: Urolithiasis
https://read.qxmd.com/read/38780633/bilateral-ureteral-stones-factors-affecting-treatment-decision
#3
MULTICENTER STUDY
Orhun Sinanoglu, Salih Yildirim, Ferhat Yakup Suceken, Fatih Bicaklioglu, Mehmet Erhan Aydin, Mehmet Uslu, Ozgur Arikan, Kemal Sarica
AIM: To evaluate certain factors that may affect the decision-making process for the rational management approach in cases presenting with bilateral ureteral stones. METHODS: A total of 153 patients presenting with bilateral ureteral stones from 6 centers were evaluated and divided in three groups. Group 1 (n:21) Patients undergoing DJ stent insertion in one ureter and ureterorenoscopic (URS) lithotripsy for the contralateral ureteral stone. Group 2 (n:91), URS lithotripsy for both ureteral stones and Group 3 (n:41) patients undergoing bilateral DJ stent insertion...
May 23, 2024: Urolithiasis
https://read.qxmd.com/read/38753168/ultrasound-guided-renal-puncture-followed-by-endoscopically-guided-tract-dilatation-vs-standard-fluoroscopy-guided-percutaneous-nephrolithotomy-for-non-opaque-renal-stones-a-randomized-clinical-trial
#4
RANDOMIZED CONTROLLED TRIAL
Hamid Pakmanesh, Farhad Kharazmi, Siavash Vejdani, Nazanin Eslami
This study was designed to evaluate the non-inferiority of ultrasound puncture followed by endoscopically guided tract dilatation compared to the standard fluoroscopy-guided PCNL. Forty patients with non-opaque kidney stones eligible for PCNL were randomly divided into two groups. The standard fluoroscopy-guided PCNL using the Amplatz dilator was performed in the XRAY group. In the SONO group, the Kidney was punctured under an ultrasound guide followed by tract dilatation using a combination of the Amplatz dilator based on the tract length and an endoscopically guided tract dilatation using a bi-prong forceps in cases of short-advancement...
May 16, 2024: Urolithiasis
https://read.qxmd.com/read/38727838/clinical-features-and-mutational-spectrum-of-chinese-patients-with-primary-hyperoxaluria-type-2
#5
JOURNAL ARTICLE
Yukun Liu, Zhenqiang Zhao, Yucheng Ge, Longzhi He, Siyu Qi, Wenying Wang
Primary hyperoxaluria type 2 (PH2) is a rare hereditary disease that causes nephrolithiasis, nephrocalcinosis and kidney failure. This study aimed to investigate the clinical features and mutational spectrum of Chinese patients with PH2. A retrospective cohort study was performed on PH2 patients admitted to our center over seven years. We also systematically reviewed all the articles on Chinese PH2 patients published from January 2000 to May 2023 and conducted a meta-analysis. A total of 25 PH2 patients (10 from our center and 15 from published studies) were included in this study...
May 10, 2024: Urolithiasis
https://read.qxmd.com/read/38693402/comparison-of-supine-prone-percutaneous-nephrolithotomy-methods-in-the-treatment-of-kidney-stones-in-pediatric-patients-prospective-randomized-study
#6
RANDOMIZED CONTROLLED TRIAL
Recep Eryılmaz, Kasım Ertas, Rahmi Aslan, Mehmet Sevim, Muhammed Fatih Keles, Kerem Taken
Mini-PCNL is one of the most effective surgical methods in the treatment of kidney stones in pediatric patients. In this study, we aimed to compare PCNL in the supine-prone position in pediatric patients (especially operation time, postop complications, hospital stay and stone-free rates).We conducted our study in a randomized and prospective manner. Patients with lower pole stones larger than 1 cm, stones larger than 1.5 cm in the pelvis, upper pole, midpole or multiple locations, and patients who did not respond to ESWL or whose family that preferred mini-PCNL to be the primary treatment were included in the study...
May 2, 2024: Urolithiasis
https://read.qxmd.com/read/38683224/the-association-between-renal-pelvis-urine-density-and-the-risk-of-severe-infectious-complications-in-patient-with-symptom-free-hydronephrosis-after-shock-wave-lithotripsy-a-multi-center-prospective-study
#7
MULTICENTER STUDY
Dongmei Liu, Junlong Liu, Zheming Li, Chengshan Ge, Hongqiang Guo, Shiyu Song, Zhenhua Li, Song Bai
Finding reliable and easy-to-obtain predictors of severe infectious complications after shock wave lithotripsy (SWL) is a major clinical need, particular in symptom-free hydronephrosis. Therefore, we aim to prospectively investigate the predictive value of Hounsfield units (HU) in renal pelvis urine for the risk of severe infectious complications in patients with ureteral stones and symptom-free hydronephrosis after SWL. This multi-center prospective study was conducted from June 2020 to December 2023. The HU of renal pelvis urine was measured by non-enhanced computed tomography...
April 29, 2024: Urolithiasis
https://read.qxmd.com/read/38662112/analysis-of-factors-affecting-intraoperative-hemorrhage-during-percutaneous-nephrolithotomy-and-establishment-of-nomogram-model
#8
JOURNAL ARTICLE
Jianghao Xu, Lu Ji, Shuo Gu, Xuzhong Liu, Yunyan Wang
Intraoperative hemorrhage is an important factor affecting intraoperative safety and postoperative patient recovery in percutaneous nephrolithotomy (PCNL). This study aimed to identify the factors that influence intraoperative hemorrhage during PCNL and develop a predictive nomogram model based on these factors.A total of 118 patients who underwent PCNL at the Department of Urology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University from January 2021 to September 2023 was included in this study...
April 25, 2024: Urolithiasis
https://read.qxmd.com/read/38662047/flank-versus-prone-position-in-percutaneous-nephrolithotomy-a-meta-analysis-of-randomized-controlled-studies
#9
REVIEW
Changjian Zheng, Hongmei Yang, Yalan Lv, Lin Yang
The objective of this study is to assess the safety and efficacy of the flank position in percutaneous nephrolithotomy (PCNL). We searched PubMed, Embase, SCOPUS, the Cochrane database libraries, and the Chinese Biomedical Literature Database, and randomized controlled trials (RCTs) assessing PCNL in flank position are included in this meta-analysis. The related trials met the inclusion criteria were analyzed using RevMan 5.4. Seven randomized controlled trials were included, involving a total of 587 patients...
April 25, 2024: Urolithiasis
https://read.qxmd.com/read/38653876/urgent-ureterorenoscopy-as-a-primary-treatment-for-ureteral-stone-why-not
#10
JOURNAL ARTICLE
Ramazan Uğur, İlyas Yağmur
To evaluate the feasibility of urgent ureteroscopy (uURS) and elective ureteroscopy (eURS) in the management of patients with renal colic due to ureteral stones. Patients who were operated for ureteral stones between September 2020 and March 2022 were determined retrospectively. The patients who were operated within the first 24 h constituted the uURS group, while the patients who were operated after 24 h were classified as eURS. No limiting factors such as age, gender and concomitant disease were determined as inclusion criteria...
April 23, 2024: Urolithiasis
https://read.qxmd.com/read/38634971/a-retrospective-cohort-study-evaluating-the-efficacy-of-standard-versus-tubeless-percutaneous-nephrolithotomy-pcnl-in-pediatric-patients-up-to-18-years-old
#11
JOURNAL ARTICLE
Kian Kiani, Shahriar Amirhasani, Seyed Habibollah Mousavi-Bahar, Abbas Moradi
Percutaneous nephrolithotomy (PCNL) is an endourological method applied as the standard or tubeless method for kidney stone treatment. In a retrospective cohort study, 88 surgery units involving 75 children up to 18 years old with kidney stones who underwent the surgery for 8 years in Shahid Beheshti and Boo-ali hospitals in Hamadan with one of the two methods of standard or tubeless PCNL were evaluated and compared considering the success rate of operation, hemoglobin, hematocrit drop, need for medications, need for blood transfusion, duration of surgery, and the length of hospital stay...
April 18, 2024: Urolithiasis
https://read.qxmd.com/read/38630281/extracorporeal-shock-wave-lithotripsy-retrospective-study-on-possible-predictors-of-treatment-success-and-revisiting-the-role-of-non-contrast-enhanced-computer-tomography-in-kidney-and-ureteral-stone-disease
#12
REVIEW
Beatriz Oliveira, Bernardo Teixeira, Martinha Magalhães, Nuno Vinagre, Avelino Fraga, Vítor Cavadas
Extracorporeal shock wave lithotripsy (ESWL) is a safe and efficient treatment option for urinary stone disease. The overall stone-free rate (SFR) varies significantly. This study aimed to assess the influence of stone size, location, stone density, and skin-to-stone distance (SSD), on the outcome of ESWL. We assessed whether pre-treatment non-contrast-enhanced CT scan (NCCT) confers significant advantages compared to kidney-ureter-bladder film (KUB) only. We reviewed the medical records of 307 cases (165 men, 142 women) with renal and ureteral stones treated consecutively at our institution with ESWL between 2020 and 2023...
April 17, 2024: Urolithiasis
https://read.qxmd.com/read/38630266/analyzing-global-research-trends-and-focal-points-in-the-utilization-of-laser-techniques-for-the-treatment-of-urolithiasis-from-1978-to-2022-visualization-and-bibliometric-analysis
#13
REVIEW
Faris Abushamma, Sa'ed H Zyoud
Laser lithotripsy is gaining global prominence and is a dynamically progressing field marked by a continual influx of new and comprehensive research each year. Recently, there has been a noticeable shift toward the adoption of various kinds of lasers, such as holmium: yttrium-aluminum-garnet (Ho:YAG) and thulium fiber (TFL) lasers. Consequently, we aim to conduct a bibliometric analysis to analyze key areas of research activity within scientific publications that center on the utilization of laser techniques in urolithiasis...
April 17, 2024: Urolithiasis
https://read.qxmd.com/read/38630256/prone-vs-supine-percutaneous-nephrolithotomy-does-position-affect-renal-pelvic-pressures
#14
JOURNAL ARTICLE
Ala'a Farkouh, Kyu Park, Matthew I Buell, Nicole Mack, Cliff De Guzman, Toby Clark, Elizabeth A Baldwin, Kanha Shete, Rose Leu, Akin S Amasyali, Evan Seibly, Kai Wen Cheng, Sikai Song, Zhamshid Okhunov, D Duane Baldwin
The purpose of this study was to measure and compare renal pelvic pressure (RPP) between prone and supine percutaneous nephrolithotomy (PCNL) in a benchtop model. Six identical silicone kidney models were placed into anatomically correct prone or supine torsos constructed from patient CT scans in the corresponding positions. A 30-Fr renal access sheath was placed in either the upper, middle, or lower pole calyx for both prone and supine positions. Two 9-mm BegoStones were placed in the respective calyx and RPPs were measured at baseline, irrigating with a rigid nephroscope, and irrigating with a flexible nephroscope...
April 17, 2024: Urolithiasis
https://read.qxmd.com/read/38613670/carboxymethylated-rhizoma-alismatis-polysaccharides-reduces-the-risk-of-calcium-oxalate-stone-formation-by-reducing-cellular-inflammation-and-oxidative-stress
#15
JOURNAL ARTICLE
Zhi Wang, Li Liu, Chuang-Ye Li, Yao-Wang Zhao, Xin-Yi Tong, Xiao-Yan Cheng, Jian-Ming Ouyang
This study aims to elucidate the mechanism and potential of Rhizoma alismatis polysaccharides (RAPs) in preventing oxidative damage to human renal proximal tubule epithelial cells. The experimental approach involved incubating HK-2 cells with 100 nm calcium oxalate monohydrate for 24 h to establish a cellular injury model. Protection was provided by RAPs with varying carboxyl group contents: 3.57%, 7.79%, 10.84%, and 15.33%. The safeguarding effect of RAPs was evaluated by analyzing relevant cellular biochemical indicators...
April 13, 2024: Urolithiasis
https://read.qxmd.com/read/38613668/develop-a-radiomics-based-machine-learning-model-to-predict-the-stone-free-rate-post-percutaneous-nephrolithotomy
#16
JOURNAL ARTICLE
Xin Chang Zou, Cheng Wei Luo, Rong Man Yuan, Meng Ni Jin, Tao Zeng, Hai Chao Chao
Radiomics and machine learning have been extensively utilized in the realm of urinary stones, particularly in forecasting stone treatment outcomes. The objective of this study was to integrate clinical variables and radiomic features to develop a machine learning model for predicting the stone-free rate (SFR) following percutaneous nephrolithotomy (PCNL). A total of 212 eligible patients who underwent PCNL surgery at the Second Affiliated Hospital of Nanchang University were included in a retrospective analysis...
April 13, 2024: Urolithiasis
https://read.qxmd.com/read/38597997/antioxidant-activity-and-inhibitory-effects-of-cydonia-oblonga-miller-leaves-extracts-against-calcium-oxalate-stones
#17
JOURNAL ARTICLE
Ibtissam Elhadri, Latifa Baddade, Mohamed Berkani
Urinary stone disease is a widespread health problem in both adults and children, and its prevalence has been increasing worldwide. Various plants preparations have already been used since ancient times in order to treat urolithiasis. The aim of this study is to evaluate the antioxidant capacity and litholytic effect on kidney stones of Cydonia oblonga Miller. leaves. The infusion, methanol and acetone extracts were made from Cydonia oblonga Miller. leaf at different concentration. Estimation of mass fractions of total polyphenol, flavonoid, and flavonol contents, as well as the in vitro radical scavenging potential on 2,2'-diphenyl-1-picrylhydrazyl radical (DPPH·) of the investigated extracts was carried out using colorimetric methods...
April 10, 2024: Urolithiasis
https://read.qxmd.com/read/38592424/gaps-in-kidney-stone-disease-management-from-clinical-theory-to-patient-reality
#18
REVIEW
Agnieszka Pozdzik, Viridiana Grillo, Khashayar Sakhaee
With nephrolithiasis projected to affect 25% of the global population in the next three decades, there is an urgent call for innovative management strategies to prevent and reduce stone recurrence. This study aims to explore the evolving management needs in nephrolithiasis from both patient and healthcare provider perspectives. An expert-collaborative online survey comprising 10 targeted questions on kidney stone management was developed and disseminated. This survey was designed to gather comprehensive insights from patients, physicians and dietician and other person in the field of nephrolithiasis...
April 9, 2024: Urolithiasis
https://read.qxmd.com/read/38581591/proof-of-concept-for-a-novel-nanotechnology-based-treatment-for-urolithiasis
#19
JOURNAL ARTICLE
Ian Houlihan, Benjamin Kang, Vijay Krishna, Smita De
Proof-of-concept of photonic lithotripsy in an in vitro setting and its ability to fragment the most common stone types is demonstrated. Effectiveness of different classes of photonic nanoparticles in fragmenting human stones is assessed. De-identified human stones were collected after institutional approval. Stones of a size range between 2-4 mm were rehydrated in simulated urine for 24 h. Stones were then coated with a solution of nanoparticles prior to activation with either a 785 nm or 1320 nm near-infrared energy source...
April 6, 2024: Urolithiasis
https://read.qxmd.com/read/38568426/comparison-of-safety-and-efficacy-of-tubeless-vs-conventional-mini-percutaneous-nephrolithotomy-in-patients-with-escherichia-coli-bacteriuria
#20
JOURNAL ARTICLE
Shidong Deng, Dayong Guo, Lingzhi Liu, Yurou Wang, Kuilin Fei, Huihui Zhang
To evaluate the safety and efficacy of tubeless percutaneous nephrolithotomy (PCNL) in patients with Escherichia coli (E. coli) bacteriuria. We conducted a retrospective review of 84 patients with E. coli bacteriuria who underwent PCNL. Patients were divided into two groups according to whether a nephrostomy tube is placed at the end of the procedure. Preoperative clinical data, surgical outcomes, and postoperative complications were compared. Then, regression analysis of factors predicting success rate of PCNL in patients with E...
April 3, 2024: Urolithiasis
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